Home / 20,628.98-30,945.72-6,585.74

Finding the Fourth Proportional to 20,628.98, 30,945.72 and 6,585.74

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Solution

The fourth proportional to 20,628.98, 30,945.72 and 6,585.74 is: 9,879.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,628.98 : 30,945.72 = 6,585.74 : x
  2. Step 2: Convert to fraction form
    20,628.98/30,945.72 = 6,585.74/x
  3. Step 3: Cross multiply
    20,628.98x = 30,945.72 × 6,585.74
  4. Step 4: Simplify right side
    20,628.98x = 203,800,466.03
  5. Step 5: Solve for x
    x = 203,800,466.03/20,628.98
  6. Step 6: Final answer
    x = 9,879.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.